A solution is made by mixing 50.0 g of acetone (CH3COCH3) and 50.0 g of methanol (CH3OH). What is the vapor pressure of this solution at 258C? What is the composition of the vapor expressed as a mole fraction? Assume ideal solution and gas behavior. (At 258C the vapor pressures of pure acetone and pure methanol are 271 and 143 torr, respectively.) The actual vapor pressure of this solution is 161 torr. Explain any discrepancies.
A solution is made by mixing 50.0 g of acetone (CH3COCH3) and 50.0 g of methanol (CH3OH). What is the vapor pressure of this solution at 258C? What is the composition of the vapor expressed as a mole fraction? Assume ideal solution and gas behavior. (At 258C the vapor pressures of pure acetone and pure methanol are 271 and 143 torr, respectively.) The actual vapor pressure of this solution is 161 torr. Explain any discrepancies.
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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A solution is made by mixing 50.0 g of acetone
(CH3COCH3) and 50.0 g of methanol (CH3OH). What
is the vapor pressure of this solution at 258C? What is
the composition of the vapor expressed as a mole fraction? Assume ideal solution and gas behavior. (At
258C the vapor pressures of pure acetone and pure
methanol are 271 and 143 torr, respectively.) The actual vapor pressure of this solution is 161 torr. Explain
any discrepancies.
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